SHANNON LARSON CNP
NPI 1972853208
Nurse Practitioner - Gerontology in Willmar, MN

Q: What is Shannon Larson's NPI number?

The NPI number for Shannon Larson is 1972853208. It was assigned to this individual provider in the NPPES registry on September 13, 2012. The provider is also known as Shannon Slagter Cnp.

Q: What is Shannon Larson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Q: When was this NPI record last updated?

The NPPES record for Shannon Larson was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 13, 2012PECOS EnrolledAccepts Medicare Assignment

101 WILLMAR AVE SW, WILLMAR, MN 56201(320) 231-5000(320) 231-5067 Get Directions Write a Review

NPPES record last updated: March 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 27, 2023, Oct 8, 2018, Sep 19, 2018 (3 updates tracked since 2018).

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About Shannon Larson Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHANNON LARSON CNP (NPI 1972853208) is an individual gerontology provider in Willmar, Minnesota, licensed in Minnesota (CNP3193) and active in the NPI registry since September 2012. She is enrolled in Medicare PECOS, is affiliated with M Health Fairview St John's Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972853208

Entity TypeIndividualFemale

Primary Taxonomy363LG0600X

Provider Legal NameSHANNON LARSONCredential: CNP

Location Address101 WILLMAR AVE SWWillmar, MN 56201-3556

Mailing Address101 Willmar Ave SwWillmar, MN 56201-3556 · (320) 231-5000 · Fax (320) 231-5067

Phone(320) 231-5000

Fax(320) 231-5067

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateSeptember 13, 2012

Last NPPES UpdateMarch 27, 20233 updates tracked since enumeration

NPPES CertifiedMarch 27, 2023

✔ NPI 1972853208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LG0600X

Licenses✔ Licensed in MN · CNP3193✔ Licensed in MN · R1789773

101 WILLMAR AVE SW, Willmar, MN 56201

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Other Names 1

Former Name (1)Shannon Slagter Cnp

Secondary Practice Locations 2

Location 11100 E Broadway StRedwood Falls, MN 56283-2247 · Phone (507) 637-2985 · Fax (507) 637-3057

Location 22945 Hazelwood St Ste 100Maplewood, MN 55109-1242 · Phone (651) 232-7800

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon Larson Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375795115

PECOS Enrollment IDI20121130000449

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Shannon Larson reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Centracare Clinic Southwest LLC

Same address

Multi-Specialty

101 WILLMAR AVE SW
Willmar, MN 56201

Reassigned Medicare billing, Minnesota enrollment
236 clinicians in this Medicare group

NPI 1174106264 (320) 231-5000

Centracare Clinic

39 mi

Primary Care

402 RED RIVER AVE N STE 2
Cold Spring, MN 56320

Reassigned Medicare billing, Minnesota enrollment
1,051 clinicians in this Medicare group

NPI 1881116747 (320) 685-8641

Fairview Clinics

73 mi

Primary Care

14040 NORTHDALE BLVD, STE 10
Rogers, MN 55374

Reassigned Medicare billing, Minnesota enrollment
2,302 clinicians in this Medicare group

NPI 1124210760 (763) 488-4100

Fairview Express Care

74 mi

Pediatrics

111 HUNDERTMARK RD STE 210
Chaska, MN 55318

Reassigned Medicare billing, Minnesota enrollment
3,633 clinicians in this Medicare group

NPI 1043991904 (952) 401-8300

Fairview Health Services

77 mi

General Acute Care Hospital

911 NORTHLAND DR
Princeton, MN 55371

Reassigned Medicare billing, Minnesota enrollment
4,038 clinicians in this Medicare group

NPI 1922085299 (763) 389-1313

Fairview Specialty Services

89 mi

Physical Therapy

2450 RIVERSIDE AVE
Minneapolis, MN 55454

Reassigned Medicare billing, Minnesota enrollment
2,373 clinicians in this Medicare group

NPI 1043199334 (855) 324-7843

Healtheast Medical Research Institute

92 mi

Family Medicine

2680 SNELLING AVE N, SUITE 200
Roseville, MN 55113

Reassigned Medicare billing, Minnesota enrollment
2,361 clinicians in this Medicare group

NPI 1053620187 (651) 326-1800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

133 services122 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

129 services97 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

97 services68 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

81 services77 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

76 services68 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

55 services52 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

48 services34 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

38 services37 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

36 services18 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

30 services30 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

28 services22 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

26 services13 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

22 services21 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

22 services22 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

22 services21 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

20 services18 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

20 services17 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

19 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

19 services19 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

18 services18 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

17 services17 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

12 services12 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

M Health Fairview St John's Hospital

Acute Care Hospitals · Maplewood, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240210

Location1575 Beam AvenueMaplewood, MN 55109 · Ramsey County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.82 typical visit price

range $56.00 – $168.28

Typical copayment $21.45 (range $14.00 – $42.07)

Most-billed visit code 99203

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers21 claims52 services$6.67 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

4 suppliers11 claims11 services$1.05 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

3 suppliers31 claims31 services$167.24 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. AMBER ERIN JOHNSON WHNP

Nurse Practitioner